PAS Multi Meter Bridge IEC 268-10 Type I (Nordic N9 meter)IEC268-10 Type IIb (EBU PPM meter)IEC 268-10 Type IIa (BBC PPM meter) DIN 50406,You can monitor 8 input channels, 16 input channels or 24 input channels in realtime. integration time.Referenz Level Level America = -24 dBFS, England / Europe = -18 dBFS and Australia = -20 dBFS